[WFCORE-439] : Wrong format of IPv6 addresses in log entries

Log entries now have URI formatted addresses.
Merge pull request #370 from ehsavoie/WFCORE-439

[WFCORE-439] : Wrong format of IPv6 addresses in log entries
[WFCORE-267] If the java.util.logging.LogManager is being used, don't configure it by default.